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Problem w/ Midway NHL Monitor, 2nd time w/collapsed Vertical - only horz line
Hello,
I have a Midway NHL game where the monitor, a WG7000 broke down twice, both with the same problem, collapsed vertical - just a Horz line across the screen. The first time was obvious, there was a broken trace on the chassis which I noticed by tapping on one of the caps a little. Even though I fixed the trace there must be still some component that's blown as it still has a collapsed vertical.
I decided to replace the chassis with a new 'Wei-Ya' chassis from China. The game worked perfectly for several hours, the picture was great, the game played great and it was nice to see it worked flawlessly and smoothly. It just needed some rework for the video cable, yoke cable(backwards screen) and to mount the chassis securely to the frame. The game ran fine for about 4hours, after getting back from lunch, I turned on the game and the *same* problem happened, immediately when it turns on - collapsed vertical - just a horz. line across the screen - it didn't even have a chance to display a normal screen.
Now I'm suspecting that the yoke might be damaged somehow from the last chassis which blew out with the broken trace. I hate to blow another new chassis by experimenting with this problem. I don't know if it's possible to get just the yoke separately for this monitor.
Could it be that the yoke was overstressed somehow by the previous chassis blowing up ?
Has anybody seen this type of problem occur ?
thanks,
Hello,
I have a Midway NHL game where the monitor, a WG7000 broke down twice, both with the same problem, collapsed vertical - just a Horz line across the screen. The first time was obvious, there was a broken trace on the chassis which I noticed by tapping on one of the caps a little. Even though I fixed the trace there must be still some component that's blown as it still has a collapsed vertical.
I decided to replace the chassis with a new 'Wei-Ya' chassis from China. The game worked perfectly for several hours, the picture was great, the game played great and it was nice to see it worked flawlessly and smoothly. It just needed some rework for the video cable, yoke cable(backwards screen) and to mount the chassis securely to the frame. The game ran fine for about 4hours, after getting back from lunch, I turned on the game and the *same* problem happened, immediately when it turns on - collapsed vertical - just a horz. line across the screen - it didn't even have a chance to display a normal screen.
Now I'm suspecting that the yoke might be damaged somehow from the last chassis which blew out with the broken trace. I hate to blow another new chassis by experimenting with this problem. I don't know if it's possible to get just the yoke separately for this monitor.
Could it be that the yoke was overstressed somehow by the previous chassis blowing up ?
Has anybody seen this type of problem occur ?
thanks,
